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r <br /> BLAINE <br /> TECH SERVICES= <br /> GROUNDWATER SAMPLING SPECIALISTS <br /> SINCE 1485 <br /> September 29, 2004 <br /> Karen Petryna <br /> Shell Oil Products US <br /> P O Box 7869 <br /> Burbank, CA 91510-7869 <br /> Third Quarter 2004 Groundwater Monitoring at <br /> Shell-branded Service Station <br /> 341 East Main Street <br /> Ripon,CA <br /> • Monitoring performed on September 1, 2004 <br /> Groundwater Monitoring Report 040901-MS-1 <br /> This report covers the routine monitoring of groundwater wells at this Shell-branded facility In <br /> accordance with standard procedures that conform to Regional Water Quality Control Board <br /> requirements, routine field data collection includes depth to water, total well depth, thickness of <br /> any separate immiscible layer, water column volume, appropriate calculated purge volume (if <br /> applicable), elapsed evacuation time (if applicable), total volume of water removed (if <br /> applicable), and standard water parameter instrument readings Sample material is collected, <br /> contained, stored, and transported to the laboratory in conformance with EPA standards Purge <br /> water(if applicable)is, Iikewise, collected and transported to the Shell Martinez Manufacturing <br /> Complex <br /> Basic field information is presented alongside analytical values excerpted from the laboratory <br /> report in the cumulative table of WELL CONCENTRATIONS The frill analytical report for <br /> the most recent samples and the field data sheets are attached to this report <br /> At a minimum,Blaine Tech Services,Inc field personnel are certified on completion of a forty <br /> hour Hazardous Materials and Emergency Response training course per 29 CFR 1910 120 Field <br /> personnel are also enrolled in annual eight hour refresher courses <br /> am xft SAClrnrvuUM L08 ANG&M Mh o�E6o <br /> 161101:0610 AVENUE SAW ion,CA V6114-11Da (40)873.0404 FAX Iaoel$73-7771 uc 746684 ,rinr bialns»cn com <br />